The event, which takes place on Sept. 17 at New Orleans’ Ernest N. Morial Convention Center, features a welterweight main event between Jake Ellenberger and Jake Shields.

The evening’s main card airs on Spike TV Roberts and Waldburger are expected to meet on the evening’s preliminary card.

A Cesar Gracie Jiu-Jitsu product, Roberts likely finds himself in a must-win situation. An octagon-debut loss was followed by three impressive wins over Greg Soto, Michael Guymon and Forrest Petz, but back-to-back decision losses to Rich Attonito and Claude Patrick have left Roberts on thin ice in the UFC’s talent-rich 170-pound division.

Meanwhile, Waldburger recently saw a four-fight win streak snapped with a TKO loss to Johny Hendricks. The defeat came in Waldburger’s second UFC fight. His first was a rousing decision win over fellow grappler David Mitchell at UFC Fight Night 22 in September 2010.

Ten of Waldburger’s 13 career wins have come via submission. Roberts boasts nine tapouts among his 12 career victories.

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